Season 3, Episode 4 CatDog and the Great Parent Mystery

First Aired: November 25, 2000

Part 2 of 3. CatDog go on a search for their parents in Yonderland in order to participate in the annual Parents' Day celebration. Along the way, the siblings must dig themselves out of trouble after they encounter an alien spaceship at "Rest Area 51," belly slide into the pit of a mysterious lake monster named Bessie, and stumble into the middle of a stomach-turning hillbilly feud. Lending their voices to the wacky story are Billy Bob Thornton and Jane Krakowski.